body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, input, button, textarea, p, blockquote, th, td, form {
    margin: 0;
    padding: 0;
}
.w {
    max-width: 1200px;
    margin: 0 auto;
}
.mb40 {
    margin-bottom: 28px;
    padding: 0px 24px 24px 24px;
    border-bottom: 1px solid #d9dde1;
}
.clearfix:after {
    content: '\0020';
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}
.clearfix {
  *zoom: 1;
}
.l {
  float: left;
}
.r {
  float: right;
}
.hide {
  display: none;
}
ol, ul {
    list-style: none;
}
html, body {
    font: 14px/1.5 "PingFang SC", Helvetica, "Helvetica Neue", "微软雅黑", Tahoma, Arial, sans-serif;
    color: #14191e;
}
a:link, a:visited {
    color: #14191e;
}
:link, :visited, ins {
    text-decoration: none;
}
#main {
    min-height: 750px;
    padding: 20px 0;
    padding-top: 20px;
    padding-right: 0px;
    padding-bottom: 20px;
    padding-left: 0px;
}

.course-info-main {
    margin-top: 36px;
    margin-bottom: 40px;
}

.course-info-main .aside {
    /*margin-right: -376px;*/
    margin-right: 10px;
    width: 328px;
}

.course-info-main .aside h4 {
    font-weight: bold;
    font-size: 16px;
}

.download {
    padding: 0px 24px 32px 24px;
    border-bottom: 1px solid #d9dde1;
    margin-bottom: 32px;
}
.download .downlist {
    line-height: 24px;
}

.download .downlist li {
    position: relative;
    padding: 12px 0;
    padding-top: 12px;
    padding-right: 0px;
    padding-bottom: 12px;
    padding-left: 0px;
    border-bottom: 1px solid #d9dde1;
}
.download .downlist li .icon {
    display: inline-block;
    vertical-align: -2px;
    margin-right: 10px;
    font-size: 16px;
}
/*文字整体*/
.download .downlist li span {
    display: block;
    margin-right: 35px;
    font-size: 12px;
    color: #4d555d;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.download .downlist li .download-item:hover span {
    color: #07111b;
}
/*下载文字*/
.download .downlist li .downcode {
    position: absolute;
    right: 0;
    top: 12px;
    height: 24px;
    font-size: 12px;
    padding: 0px 8px;
    line-height: 24px;
    color: #00b33b;
}
.download .downlist li .download-item:hover .downcode {
    color: #fff;
    background: #00b43c;
}
/*讲师介绍*/
.course-info-main .aside .teacher-info {
    padding: 24px 0 20px 80px;
    overflow: hidden;
}
/*人像*/
.course-info-main .aside .teacher-info img {
    float: left;
    margin-left: -80px;
    width: 60px;
    height: 60px;
    border-radius: 100%;
}
.course-info-main .aside .teacher-info .tit {
    display: block;
    margin-top: 5px;
    margin-bottom: 5px;
}
.course-info-main .aside .teacher-info .tit a {
    font-weight: bold;
    color: #07111b;
}
.course-info-main .aside .teacher-info .icon-imooc {
    color: #f01400;
    font-size: 16px;
    margin: 0 0 0 8px;
    vertical-align: -2px;
}
.icon-imooc:before {
  content: "\e96c";
}
.course-info-main .aside .teacher-info .job {
    font-size: 12px;
    color: #71777b;
}
/*课程须知*/
.course-info-tip {
    position: relative;
    padding: 24px;
    background-color: #edf1f2;
    color: #4d555d;
    margin-bottom: 12px;
}
/*须知标题*/
.course-info-tip dt {
    margin-bottom: 6px;
    font-weight: bold;
    font-size: 12px;
}
.course-info-tip dd {
    font-size: 12px;
    line-height: 24px;
    white-space: pre-line;
}
.course-info-tip dl.first {
    margin-bottom: 24px;
}

.course-info-tip:before {
    content: '';
    display: block;
    position: absolute;
    left: 50px;
    top: -10px;
    width: 0;
    height: 0;
    border: 10px solid transparent;
    border-top-color: initial;
    border-top-style: none;
    border-top-width: 0px;
    border-right-color: transparent;
    border-right-style: solid;
    border-right-width: 10px;
    border-bottom-color: #edf1f2;
    border-bottom-style: solid;
    border-bottom-width: 10px;
    border-left-color: transparent;
    border-left-style: solid;
    border-left-width: 10px;
    border-image-source: initial;
    border-image-slice: initial;
    border-image-width: initial;
    border-image-outset: initial;
    border-image-repeat: initial;
    border-top: 0 none;
    border-top-width: 0px;
    border-top-style: none;
    border-top-color: initial;
    border-bottom-color: #edf1f2;
}
.autowrap {
    word-wrap: break-word;
    word-break: break-all;
}
 /*推荐课程*/
.course-info-main .aside h4 {
    font-weight: bold;
    font-size: 16px;
}
.other-list {
    margin-top: 12px;
    letter-spacing: 0;
    overflow: hidden;
}
.other-list li {
    font-size: 12px;
    color: #4d555d;
    letter-spacing: normal;
}
.other-list li a {
    color: #4d555d;
}
.other-list li .name {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 28px;
}